Home / 3,887.98-5,365.57-2,692.62

Finding the Fourth Proportional to 3,887.98, 5,365.57 and 2,692.62

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Solution

The fourth proportional to 3,887.98, 5,365.57 and 2,692.62 is: 3,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.98 : 5,365.57 = 2,692.62 : x
  2. Step 2: Convert to fraction form
    3,887.98/5,365.57 = 2,692.62/x
  3. Step 3: Cross multiply
    3,887.98x = 5,365.57 × 2,692.62
  4. Step 4: Simplify right side
    3,887.98x = 14,447,434.36
  5. Step 5: Solve for x
    x = 14,447,434.36/3,887.98
  6. Step 6: Final answer
    x = 3,715.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.